diff --git a/examples-android/gradle/wrapper/gradle-wrapper.properties b/examples-android/gradle/wrapper/gradle-wrapper.properties
index e3790a3..95c8cea 100644
--- a/examples-android/gradle/wrapper/gradle-wrapper.properties
+++ b/examples-android/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-all.zip
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 4e97471..a0f7639 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/kgax-core/gradle/wrapper/gradle-wrapper.properties b/kgax-core/gradle/wrapper/gradle-wrapper.properties
index 4e97471..a0f7639 100644
--- a/kgax-core/gradle/wrapper/gradle-wrapper.properties
+++ b/kgax-core/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/kgax-grpc-android/gradle/wrapper/gradle-wrapper.properties b/kgax-grpc-android/gradle/wrapper/gradle-wrapper.properties
index 4e97471..a0f7639 100644
--- a/kgax-grpc-android/gradle/wrapper/gradle-wrapper.properties
+++ b/kgax-grpc-android/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/kgax-grpc-base/gradle/wrapper/gradle-wrapper.properties b/kgax-grpc-base/gradle/wrapper/gradle-wrapper.properties
index 7dc503f..a0f7639 100644
--- a/kgax-grpc-base/gradle/wrapper/gradle-wrapper.properties
+++ b/kgax-grpc-base/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.9-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/kgax-grpc/gradle/wrapper/gradle-wrapper.properties b/kgax-grpc/gradle/wrapper/gradle-wrapper.properties
index 4e97471..a0f7639 100644
--- a/kgax-grpc/gradle/wrapper/gradle-wrapper.properties
+++ b/kgax-grpc/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/showcase-test/gradle/wrapper/gradle-wrapper.properties b/showcase-test/gradle/wrapper/gradle-wrapper.properties
index 7dc503f..a0f7639 100644
--- a/showcase-test/gradle/wrapper/gradle-wrapper.properties
+++ b/showcase-test/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.9-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists